Examples

Login Server

import random

from ucall.posix import Server

server = Server(
    port=8545,
    # ssl_pk='./examples/login/certs/main.key',
    # ssl_certs=[
    #   './examples/login/certs/srv.crt',
    #   './examples/login/certs/cas.pem']
)


@server
def validate_session(user_id: int, session_id: int):
    return (user_id ^ session_id) % 23 == 0


@server
def echo(data: bytes):
    return data


@server
def create_user(age: int, name: str, avatar: bytes, bio: str):
    return f'Created {name} aged {age} with bio {bio} and avatar_size {len(avatar)}'


@server
def transform(age: float, name: str, value: int, identity: bytes):

    if age < 15:
        return False

    if age >= 15 and age < 19:
        return (False, f'{name} must be older than 19')

    new_identity = identity.decode() + f'_{name}'

    return {
        'name': name,
        'pins': [random.random()*age for _ in range(round(age))],
        'val': {
            'len': value,
            'identity': new_identity.encode(),
            'data': [random.randbytes(value) for _ in range(value)],
        }
    }


if __name__ == '__main__':
    server.run()

Fancy Login Server